Automatic oil pipe cleaning device

Abstract

The utility model discloses an oil pipe automatic cleaning device relates to oil pipe cleaning equipment technical field, including cleaning host computer, and the cleaning host computer includes the casing, and the bottom rotation of casing inner chamber is equipped with two spiral shafts of front and back side by side, and two spiral shafts are connected with synchronous drive mechanism, and the top of one end of spiral shaft is equipped with the input roll of corresponding one row with the entrance, and the top of the other end is equipped with the inner wall cleaning pipe support that fixes, one side of inner wall cleaning pipe support is equipped with the output roll of corresponding one row with the export, and the inside of casing still is equipped with first transfer subassembly, second transfer subassembly and third transfer subassembly, and the entrance side of casing is equipped with the inner wall cleaning subassembly of cooperation use with inner wall cleaning pipe support, and the export side is equipped with the outer wall cleaning subassembly that communicates with the export, the simple structure of this device is novel, and the rotary table is cancelled, and the abrasion of oil pipe is smaller, and the device is full of oil pipe on two spiral shafts, and the soaking time of oil pipe is prolonged, and it is helpful to improve the cleaning efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of oil pipe cleaning equipment, specifically to an automatic oil pipe cleaning device. Background Technology

[0002] Currently, most oilfield pipe cleaning uses rotary cleaning machines. This equipment has a complex structure and low cleaning efficiency. At the same time, when the rotary table rotates, the oil pipe will collide and come into contact with the inner wall of the rotary table shell, which can easily wear down the oil pipe.

[0003] Chinese patent CN110449419A discloses a closed-loop fully automatic multi-functional oil pipe rod cleaning method. The equipment consists of a complete housing, an automatic oil pipe rod entry and exit detection system, an automatic oil pipe cleaning and conveying device, an automatic steam replacement device, an automatic oil pipe inner and outer wall cleaning device, and an automatic water level limit alarm device. It realizes that the entire process of the oil pipe to be cleaned, from entering the closed-loop fully automatic multi-functional oil pipe rod cleaning equipment, to the oil pipe heating and inner and outer wall cleaning, to the output of the cleaned finished oil pipe, is completed in a closed space; the equipment used is a rotary cleaning machine.

[0004] Therefore, there is an urgent need to develop a new type of automatic oil pipe cleaning device. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an automatic oil pipe cleaning device.

[0006] The technical solution of this utility model is: an automatic oil pipe cleaning device, including a cleaning main unit, the cleaning main unit including a housing, an inlet on one side of the housing and an outlet on the other side; multiple spiral shafts arranged side by side are rotatably installed at the bottom of the inner cavity of the housing, the multiple spiral shafts are connected to a synchronous drive mechanism, a row of input rollers corresponding to the inlet is installed above one end of the spiral shaft, and an inner wall cleaning pipe rack is fixed above the other end; a row of output rollers corresponding to the outlet is installed on one side of the inner wall cleaning pipe rack; The housing is further provided with a first transfer assembly for transferring the oil pipe on the input roller to the spiral shaft, a second transfer assembly for transferring the oil pipe on the spiral shaft to the inner wall cleaning tube rack, and a third transfer assembly for transferring the oil pipe on the inner wall cleaning tube rack to the output roller. The inlet side of the housing is equipped with an inner wall cleaning assembly that works in conjunction with the inner wall cleaning pipe rack, and the outlet side is equipped with an outer wall cleaning assembly that communicates with the outlet.

[0007] Preferably, the first transfer assembly includes a first cylinder, a first connecting rod, and two first rotating shafts arranged in parallel. The first rotating shafts pass through one side of the housing, with a first rocker arm fixed at the outer end and a first swing arm fixed at the inner end. A first support plate is fixed at the other end of the first swing arm. The lifting side of the first support plate is a bevel, and an arc-shaped opening adapted to the outer wall of the oil pipe is opened at the end of the bevel near the spiral shaft. The other ends of both first rocker arms are hinged to the first connecting rod, the main body of the first cylinder is hinged to the outer wall of the housing, and its output end is hinged to one end of the first connecting rod.

[0008] Preferably, the inner wall cleaning pipe rack includes a longitudinal beam and multiple vertical plates fixed to the top of the longitudinal beam. The multiple vertical plates are arranged side by side, and each vertical plate has an L-shaped cut for accommodating the oil pipe. The bottom of the L-shaped cut is inclined downward toward the output roller side.

[0009] Preferably, the second transfer assembly includes a second cylinder, a second connecting rod, and two second rotating shafts arranged side by side. The second rotating shafts pass through one side of the housing, with a second rocker arm fixed at the outer end and a second swing arm fixed at the inner end. A second support plate is fixed at the other end of the second swing arm. The lifting side of the second support plate is an inclined side. The bottom of the upright plate near the second transfer assembly is provided with a guide column that cooperates with the second support plate. The other ends of both second rocker arms are hinged to the second connecting rod, the main body of the second cylinder is hinged to the outer wall of the housing, and its output end is hinged to one end of the second connecting rod.

[0010] Preferably, the inner wall cleaning assembly includes a guide rail, a drive trolley, trolleys, and a plug rod. The guide rail is arranged longitudinally, and the drive trolley and multiple trolleys are installed on the guide rail from front to back. Adjacent trolleys are connected by connecting ropes, and the last trolley is connected to the outer wall of the housing by a connecting rope. Bearings are installed on the trolleys, and the plug rod is arranged parallel to the guide rail, passing through the inner ring of the bearings on all trolleys. Its front end is located inside the drive trolley, and its rear end is connected to a wire brush for scrubbing the inner wall of the oil pipe. The plug rod is clearance-fitted with the inner ring of the bearing, and the drive trolley is equipped with a drive mechanism for rotating the plug rod. When the oil pipe is located at the lowest point of the L-shaped cut in the vertical plate, it is coaxial with the insertion rod.

[0011] Preferably, the third transfer assembly includes a third cylinder, a third connecting rod, and two third rotating shafts arranged side by side. The third rotating shafts pass through one side of the top of the housing, with a third rocker arm fixed to the outer end and a third support plate fixed to the inner outer wall. The lifting side of the third support plate is an inclined side, and a stop is provided at the end of the inclined side near the output roller. The other ends of both third rocker arms are hinged to the third connecting rod. The main body of the third cylinder is hinged to the outer wall of the housing, and its output end is hinged to the middle of a third rocker arm.

[0012] Preferably, all of the output rollers are inclined to one side; The outer wall cleaning assembly includes a box with an open bottom. The front side of the box is provided with a front pipe connected to the outlet, and the rear side is provided with a rear pipe. The front pipe and the rear pipe are coaxially arranged, and both are equipped with ring sprayers for rinsing the outer wall of the oil pipe. Two steel wire rollers are rotatably installed in the box, with the distance between the two steel wire rollers being less than the outer diameter of the oil pipe. The axes of the two rollers are located on the same horizontal plane as the axis of the outlet.

[0013] Compared with the prior art, this utility model has the following advantages: This device features a simple, novel, and highly automated structure, eliminating the turntable and minimizing wear on the oil pipes. It places the oil pipes on two spiral shafts and transports them backward via these shafts, extending the soaking time and improving cleaning efficiency. The internal wall cleaning component works in conjunction with the internal wall cleaning pipe rack and nozzles to effectively enhance the cleaning effect on the inner walls of the oil pipes. Attached Figure Description

[0014] Figure 1 The main view of the cleaning host; Figure 2 A top view of the cleaning unit; Figure 3 Side view of the cleaning unit; Figure 4 This is a schematic diagram of the overall structure of this utility model; Figure 5 This is a bottom view of the external wall cleaning assembly.

[0015] In the diagram: 1. Shell, 101. Inlet, 2. Spiral shaft, 3. Input roller, 4. Output roller, 5. Longitudinal beam, 6. Vertical plate, 601. L-shaped cut, 7. Guide column, 8. Guide rail, 9. Drive vehicle, 10. Pulley, 11. Connecting rope, 12. Bearing, 13. Insert rod, 14. Wire brush, 15. Box body, 16. Front tube, 17. Rear tube, 18. Wire roller, 19. First cylinder, 20. 21. First pivot, 22. First rocker arm, 23. First swing arm, 24. First support plate, 2401. Arc-shaped opening, 25. Second cylinder, 26. Second connecting rod, 27. Second pivot, 28. Second rocker arm, 29. Second swing arm, 30. Second support plate, 31. Third cylinder, 32. Third connecting rod, 33. Third pivot, 34. Third rocker arm, 35. Third support plate, 36. Stop block. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1

[0017] Reference Figure 1-4 As shown, an automatic oil pipe cleaning device includes a cleaning main unit, an upper pipe rack on the front side of the cleaning main unit, and a lower pipe rack on the rear side.

[0018] The cleaning unit includes a housing 1, with an inlet 101 on one side and an outlet on the other side. Two spiral shafts 2 are rotatably mounted at the bottom of the inner cavity of the housing 1, arranged side by side. The two spiral shafts 2 are connected to a synchronous drive mechanism. An input roller 3 corresponding to the inlet 101 is installed above one end of the spiral shaft 2, and an inner wall cleaning tube rack is fixed above the other end. An output roller 4 corresponding to the outlet is installed on one side of the inner wall cleaning tube rack.

[0019] The housing 1 is also provided with a first transfer assembly for transferring the oil pipe on the input roller 3 to the screw shaft 2, a second transfer assembly for transferring the oil pipe on the screw shaft 2 to the inner wall cleaning pipe rack, and a third transfer assembly for transferring the oil pipe on the inner wall cleaning pipe rack to the output roller 4.

[0020] An inner wall cleaning assembly that works with the inner wall cleaning pipe rack is installed on the inlet 101 side of the housing 1, and an outer wall cleaning assembly that communicates with the outlet is installed on the outlet side.

[0021] The inner wall cleaning pipe rack includes a longitudinal beam 5 and two vertical plates 6 fixed to the top of the longitudinal beam 5. The two vertical plates 6 are arranged side by side, and each vertical plate 6 has an L-shaped cutout 601 for accommodating the oil pipe. The bottom of the L-shaped cutout 601 is inclined downward toward the output roller 4.

[0022] The inner wall cleaning assembly includes a guide rail 8, a drive trolley 9, trolleys 10, and a plunger 13. The guide rail 8 is arranged longitudinally. The drive trolley 9 and four trolleys 10 are installed on the guide rail 8 from front to back, and adjacent trolleys are connected by a connecting rope 11. The last trolley 10 is connected to the outer wall of the housing 1 by the connecting rope 11. Bearings 12 are installed on the trolleys 10. The plunger 13 is arranged parallel to the guide rail 8 and passes through the inner ring of the bearings 12 on all trolleys 10. Its front end is located inside the drive trolley 9, and its rear end is connected to a wire brush 14 for scrubbing the inner wall of the oil pipe. The plunger 13 is clearance-fitted with the inner ring of the bearings 12. The drive trolley 9 is equipped with a drive mechanism for rotating the plunger 13. When the oil pipe is at the lowest point of the L-shaped cut 601 of the vertical plate 6, it is coaxial with the plunger 13.

[0023] In addition, a nozzle for flushing the inner wall of the oil pipe is installed on the inner wall of the outlet side of the housing 1. The nozzle is coaxially arranged with the insert rod 13.

[0024] Working process of the inner wall cleaning component: The drive vehicle 9 drives the insertion rod 13 to rotate and move the insertion rod 13 backward, thereby driving the wire brush 14 to scrub the inner wall of the oil pipe; at the same time, the nozzle sprays water into the oil pipe to cooperate with the wire brush 14 to scrub the inner wall of the oil pipe; when the drive vehicle 9 is reset, under the connection of the connecting rope 11, the four pulleys 10 are also reset at the same time. The function of the four pulleys 10 is to support the insertion rod 13.

[0025] This cleaning device can use heating media such as hot water or steam. The working process is explained below using hot water as an example: (1) Inject hot water into the lower part of the inner cavity of shell 1; (2) The upper tube rack delivers the oil pipe into the housing 1. The oil pipe enters through the inlet 101 and is conveyed backward through the input roller 3. When the oil pipe is completely inside the housing 1, the first transfer component moves the oil pipe from the input roller 3 to the screw shaft 2. Then the synchronous drive mechanism drives the two screw shafts 2 to rotate synchronously, so that the oil pipe moves backward by one pipe position. (3) Repeat step (2) to fill the two spiral shafts 2 with oil pipes; (4) The second transfer component moves the oil pipe from the spiral shaft 2 to the inner wall cleaning pipe rack. Then the inner wall cleaning component works, using the insertion rod 13 to drive the wire brush 14 to clean the inner wall of the oil pipe. Subsequently, the third transfer component moves the oil pipe from the inner wall cleaning pipe rack to the output roller 4. (5) The output roller 4 conveys the oil pipe backward through the outlet, and at the same time, the outer wall cleaning component brushes the outer wall of the oil pipe; (6) The oil pipe is transported to the lower pipe rack. Example 2

[0026] As a preferred embodiment of this utility model, this embodiment designs the outer wall cleaning component based on Embodiment 1, specifically as follows: In this embodiment, all output rollers 4 are tilted to one side, which can drive the oil pipe to move in a spiral.

[0027] Reference Figure 4-5 As shown, the outer wall cleaning assembly includes a box 15 with an open bottom. The front side of the box 15 is provided with a front pipe 16 connected to the outlet, and the rear side is provided with a rear pipe 17. The front pipe 16 and the rear pipe 17 are coaxially arranged, and both are equipped with ring sprayers for flushing the outer wall of the oil pipe. Two steel wire rollers 18 are rotatably installed in the box 15, with the distance between the two steel wire rollers 18 being smaller than the outer diameter of the oil pipe. The axes of the two rollers are located on the same horizontal plane as the axis of the outlet.

[0028] When the output roller 4 drives the oil pipe to move in a spiral motion, the two steel wire rollers 18 inside the housing 15 rotate to brush the outer wall of the oil pipe. At the same time, the ring sprayers in the front pipe 16 and the rear pipe 17 spray water to the outside of the oil pipe to cooperate with the steel wire rollers 18 to brush the outer wall of the oil pipe. Example 3

[0029] As a preferred embodiment of this utility model, this embodiment designs the first transfer component, the second transfer component, and the third transfer component based on Embodiment 1, specifically as follows: The first transfer assembly includes a first cylinder 19, a first connecting rod 20, and two first rotating shafts 21 arranged side by side. The first rotating shaft 21 passes through one side of the housing 1, with a first rocker arm 22 fixed at its outer end and a first swing arm 23 fixed at its inner end. A first support plate 24 is fixed at the other end of the first swing arm 23. The lifting side of the first support plate 24 is a bevel, and an arc-shaped opening 2401 adapted to the outer wall of the oil pipe is opened at the end of the bevel near the spiral shaft 2. The other ends of the two first rocker arms 22 are hinged to the first connecting rod 20. The main body of the first cylinder 19 is hinged to the outer wall of the housing 1, and its output end is hinged to one end of the first connecting rod 20.

[0030] Initially, the cylinder rod of the first cylinder 19 is in a retracted state; during operation, the cylinder rod of the first cylinder 19 extends and drives the two first rocker arms 23 to rotate counterclockwise synchronously through the first connecting rod 20. When the first support plate 24 is in the highest position, the oil pipe slides down its inclined side into the arc-shaped opening 2401; then the cylinder rod of the first cylinder 19 retracts, driving the first rocker arms 23 and the first support plate 24 to reset, thereby placing the oil pipe on the spiral shaft 2.

[0031] The second transfer assembly includes a second cylinder 25, a second connecting rod 26, and two second rotating shafts 27 arranged side by side. The second rotating shafts 27 pass through one side of the housing 1, with a second rocker arm 28 fixed at the outer end and a second swing arm 29 fixed at the inner end. A second support plate 30 is fixed at the other end of the second swing arm 29. The lifting side of the second support plate 30 is a bevel. A guide column 7 for use with the second support plate 30 is provided at the bottom of the upright plate 6 near the second transfer assembly. The other ends of the two second rocker arms 28 are hinged to the second connecting rod 26. The main body of the second cylinder 25 is hinged to the outer wall of the housing 1, and its output end is hinged to one end of the second connecting rod 26.

[0032] Initially, the cylinder rod of the second cylinder 25 is in a retracted state. During operation, the cylinder rod of the second cylinder 25 extends and drives the two second swing arms 29 to rotate counterclockwise synchronously via the second connecting rod 26. During this process, the second support plate 30 lifts the oil pipe upward, causing the oil pipe to move upward along the guide column 7. Finally, the oil pipe slides down the inclined side of the second support plate 30 into the L-shaped cut 601 of the vertical plate 6. Subsequently, the cylinder rod of the second cylinder 25 retracts, causing the second swing arms 29 and the second support plate 30 to return to their original positions.

[0033] The third transfer assembly includes a third cylinder 31, a third connecting rod 32, and two third rotating shafts 33 arranged side by side. The third rotating shaft 33 passes through one side of the top of the housing 1, and a third rocker arm 34 is fixed to its outer end. A third support plate 35 is fixed to the inner outer wall. The lifting side of the third support plate 35 is a bevel, and a stop block 36 is provided at the end of the bevel near the output roller 4. The other ends of the two third rocker arms 34 are hinged to the third connecting rod 32. The main body of the third cylinder 31 is hinged to the outer wall of the housing 1, and its output end is hinged to the middle of one of the third rocker arms 34.

[0034] Initially, the cylinder rod of the third cylinder 31 is in the extended state, and the third support plate 35 is in a horizontal state. During operation, the cylinder rod of the third cylinder 31 retracts, driving the two third rotating shafts 33 to rotate clockwise synchronously through the third connecting rod 32. During this process, the third support plate 35 lifts the oil pipe upward, eventually causing the oil pipe to slide down along the inclined side of the third support plate 35 into the output roller 4. Subsequently, the cylinder rod of the third cylinder 31 extends, driving the third support plate 35 to reset.

[0035] In summary, this device has a simple and novel structure, eliminating the turntable and reducing wear on the oil pipes. The device places the oil pipes on two spiral shafts 2 and transports them backward through these shafts, extending the soaking time and improving cleaning efficiency. The internal wall cleaning component works in conjunction with the internal wall cleaning pipe rack and nozzle to effectively enhance the cleaning effect on the inner wall of the oil pipes.

[0036] This utility model is not limited to the above-described embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this utility model, and the changed content still falls within the protection scope of this utility model.

Claims

1. An automatic oil pipe cleaning device, comprising a cleaning main unit, the cleaning main unit including a housing, an inlet on one side of the housing and an outlet on the other side; characterized in that: Multiple spiral shafts arranged side-by-side are rotatably mounted at the bottom of the inner cavity of the housing. These spiral shafts are connected to a synchronous drive mechanism. A row of input rollers corresponding to the inlet is mounted above one end of each spiral shaft, and an inner wall cleaning tube rack is fixed above the other end. A row of output rollers corresponding to the outlet is mounted on one side of the inner wall cleaning tube rack. The housing is further provided with a first transfer assembly for transferring the oil pipe on the input roller to the spiral shaft, a second transfer assembly for transferring the oil pipe on the spiral shaft to the inner wall cleaning tube rack, and a third transfer assembly for transferring the oil pipe on the inner wall cleaning tube rack to the output roller. The inlet side of the housing is equipped with an inner wall cleaning assembly that works in conjunction with the inner wall cleaning pipe rack, and the outlet side is equipped with an outer wall cleaning assembly that communicates with the outlet.

2. The automatic oil pipe cleaning device according to claim 1, characterized in that: The first transfer assembly includes a first cylinder, a first connecting rod, and two first rotating shafts arranged in parallel. The first rotating shafts pass through one side of the housing, with a first rocker arm fixed at the outer end and a first swing arm fixed at the inner end. A first support plate is fixed at the other end of the first swing arm. The supporting side of the first support plate is a bevel, and an arc-shaped opening adapted to the outer wall of the oil pipe is opened at the end of the bevel near the spiral shaft. The other ends of both first rocker arms are hinged to the first connecting rod, the main body of the first cylinder is hinged to the outer wall of the housing, and its output end is hinged to one end of the first connecting rod.

3. The automatic oil pipe cleaning device according to claim 1, characterized in that: The inner wall cleaning pipe rack includes a longitudinal beam and multiple vertical plates fixed to the top of the longitudinal beam. The multiple vertical plates are arranged side by side, and each vertical plate has an L-shaped cut for accommodating the oil pipe. The bottom of the L-shaped cut is inclined downward toward the output roller side.

4. The automatic oil pipe cleaning device according to claim 3, characterized in that: The second transfer assembly includes a second cylinder, a second connecting rod, and two second rotating shafts arranged side by side. The second rotating shafts pass through one side of the housing, with a second rocker arm fixed at the outer end and a second swing arm fixed at the inner end. A second support plate is fixed at the other end of the second swing arm. The lifting side of the second support plate is an inclined side. The bottom of the upright plate near the second transfer assembly is provided with a guide column that cooperates with the second support plate. The other ends of both second rocker arms are hinged to the second connecting rod, the main body of the second cylinder is hinged to the outer wall of the housing, and its output end is hinged to one end of the second connecting rod.

5. The automatic oil pipe cleaning device according to claim 3, characterized in that: The inner wall cleaning assembly includes a guide rail, a drive trolley, trolleys, and a plunger. The guide rail is arranged longitudinally, and the drive trolley and multiple trolleys are installed on the guide rail from front to back. Adjacent trolleys are connected by connecting ropes, and the last trolley is connected to the outer wall of the housing by a connecting rope. Bearings are installed on the trolleys. The plunger is arranged parallel to the guide rail, passes through the inner ring of the bearings on all trolleys, and its front end is located inside the drive trolley. Its rear end is connected to a wire brush for scrubbing the inner wall of the oil pipe. The plunger is clearance-fitted with the inner ring of the bearing, and the drive trolley is equipped with a drive mechanism for rotating the plunger. When the oil pipe is located at the lowest point of the L-shaped cut in the vertical plate, it is coaxial with the insertion rod.

6. The automatic oil pipe cleaning device according to claim 1, characterized in that: The third transfer assembly includes a third cylinder, a third connecting rod, and two third rotating shafts arranged side by side. The third rotating shafts pass through one side of the top of the housing, with a third rocker arm fixed at the outer end and a third support plate fixed on the inner outer wall. The lifting side of the third support plate is an inclined side, and a stop is provided at the end of the inclined side near the output roller. The other ends of both third rocker arms are hinged to the third connecting rod. The main body of the third cylinder is hinged to the outer wall of the housing, and its output end is hinged to the middle of a third rocker arm.

7. The automatic oil pipe cleaning device according to claim 1, characterized in that: All of the aforementioned output rollers are inclined to one side; The outer wall cleaning assembly includes a box with an open bottom. The front side of the box is provided with a front pipe connected to the outlet, and the rear side is provided with a rear pipe. The front pipe and the rear pipe are coaxially arranged, and both are equipped with ring sprayers for rinsing the outer wall of the oil pipe. Two steel wire rollers are rotatably installed in the box, with the distance between the two steel wire rollers being less than the outer diameter of the oil pipe. The axes of the two rollers are located on the same horizontal plane as the axis of the outlet.

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